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Tarun J.Tarun J. 

Connect Salesforce with Dynamodb to fetch data in Salesforce

I am trying to connect SFDC with aws Dynamodb from last few days using query string parameter but not able to generate signature correctly. I have followed steps mentioned in amazon document to generate Signature Version 4, but still I am getting below response:
<Message>The request signature we calculated does not match the signature you provided. Check your AWS Secret Access Key and signing method. Consult the service documentation for details.</Message>

It seems either some of the parameters I am not using correctly or missing few items.
Can someone help me on this?